Billy Chan@billy_ccwHong KongFollow BadgesProblem SolvingPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Python (Advanced)VerifiedskillWork Experiencebilly_ccw has not updated employment details yet.Educationbilly_ccw has not updated education details yet.